From: Joshua Watt <jpewhacker@gmail.com>
To: linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: Heiko Stuebner <heiko@sntech.de>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH] ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered during reboot
Date: Fri, 13 Mar 2020 13:38:53 -0500 [thread overview]
Message-ID: <ed50e114-5efd-edcc-a287-3cacc4a28161@gmail.com> (raw)
In-Reply-To: <20200219204224.34154-1-JPEWhacker@gmail.com>
On 2/19/20 2:42 PM, Joshua Watt wrote:
> IO voltage regulator for the SD card must be kept on all the time,
> otherwise when the board reboots the SD card can't be read by the
> bootloader.
Ping?
>
> Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
> ---
> arch/arm/boot/dts/rk3288-tinker.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/rk3288-tinker.dtsi b/arch/arm/boot/dts/rk3288-tinker.dtsi
> index 312582c1bd37..acfaa12ec239 100644
> --- a/arch/arm/boot/dts/rk3288-tinker.dtsi
> +++ b/arch/arm/boot/dts/rk3288-tinker.dtsi
> @@ -276,6 +276,7 @@
> };
>
> vccio_sd: LDO_REG5 {
> + regulator-always-on;
> regulator-boot-on;
> regulator-min-microvolt = <1800000>;
> regulator-max-microvolt = <3300000>;
next prev parent reply other threads:[~2020-03-13 18:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-19 20:42 [PATCH] ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered during reboot Joshua Watt
2020-03-13 18:38 ` Joshua Watt [this message]
2020-03-17 0:27 ` Heiko Stuebner
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